Mounting for marine propulsion device located aft of boat transom

A boat including a hull having a transom, and a marine propulsion device comprising a bracket fixed to said transom and including a horizontal opening, and a marine propulsion unit including an assembly extending through said opening and being fixed relative to said bracket, said assembly comprising a power head located above said bracket and including an internal combustion engine, a cover cooperating with said bracket to define a compartment enclosing said power head, and an upper housing located below said bracket, said marine propulsion unit also including a lower housing connected to said upper housing for pivotal movement therebetween about a horizontal tilt axis, a gear case assembly connected to said lower housing for pivotal movement therebetween about a steering axis transverse to said tilt axis, a propeller rotatably carried by said gear case assembly, a drive train connected to said propeller and said engine and extending through said gear case assembly and said lower and upper housings, and duct means extending through said transom and communicating with the interior of said compartment for supplying air to said power head.

A boat including a hull having a transom, and a marine propulsion device comprising a bracket fixed to said transom and including a horizontal opening, a marine propulsion unit including a fixed assembly extending through said opening, fixed relative to said bracket, and comprising a power head located above said bracket and including an internal combustion engine, and an upper housing located below said bracket, a lower housing connected to said upper housing for pivotal movement therebetween about a horizontal tilt axis, a gear case assembly connected to said lower housing for pivotal movement therebetween about a steering axis transverse to said tilt axis, a propeller rotatably carried by said gear case assembly, a drive train connected to said propeller and said engine and extending through said gear case assembly and said lower and upper housings, a cover cooperating with said bracket to define a compartment enclosing said power head, duct means extending though said transom and communicating with the interior of said compartment for supplying air to said power head, and propulsion unit control means extending through said duct into said compartment and connected to said propulsion unit for control thereof.

A marine propulsion installation comprising a boat hull including a transom, a propulsion device including a lower unit, means adapted to be connected to the transom for supporting said lower unit from the transom for vertical swinging movement about a horizontal axis, and a power head compartment which is located above said lower unit and aft of said transom, and which is substantially closed and has an interior housing an internal combustion engine located above said horizontal axis, and a duct extending through said transom and communicating between the atmosphere forwardly of said transom and the interior of said power head compartment.

A marine propulsion installation comprising a boat hull including a transom having therein an aperture, a propulsion device including a lower unit, means adapted to be connected to the transom for supporting said lower unit from the transom for vertical swinging movement about a horizontal axis, and a power head compartment which is located above said lower unit and aft of said transom, which is substantially closed and has an interior housing an internal combustion engine located above said horizontal axis, and which includes a forwardly located wall having therein an aperture, and a duct sealingly connected to said transom and to said forwardly located wall and including a hollow interior in communication through said opening in said transom with the atmosphere forwardly of said transom and communicating through said aperture to said forwardly located wall with said interior of said power head compartment.